Fix typo in PropExistsTest type mapper case
Fix typo in PropExistsTest type mapper case

Summary: this is obviously wrong

Reviewed By: samwgoldman

Differential Revision: D23455527

fbshipit-source-id: cd116b640115037ea15d9a11396958a06ee5022b

nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow